Pre-assembled wall frame



FIG. 1 is a front top perspective view of the claimed design in a disassembled configuration;

FIG. 2 is a front view of the claimed design of FIG. 1 in the disassembled configuration, the back view is a mirror image of the front view;

FIG. 3 is a front top perspective view of the claimed design of FIG. 1 in an assembled configuration; and,

FIG. 4 is a front view of the claimed design of FIG. 1 in the assembled configuration, the back view is a mirror image of the front view. 

CLAIM I claim the ornamental design for a pre-assembled wall frame, as shown and described. 